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Thread: Chevy 5.3 question
          
   
   

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  1. #1
    Ron B.'s Avatar
    Ron B. is offline CHR Member Visit my Photo Gallery
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    Jul 2006
    Location
    Columbus
    Car Year, Make, Model: 23 T, 05 SPS
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    188

    Chevy 5.3 question

     



    I have the chance to get a '03 5.3 out of a friends truck. It has been burning antifreeze for a while and he's decided for what it could cost to do possible repairs, he is just going to replace the motor, and I can get it for core charge.

    My question is can I use the heads on my older 350. I know I will need a different intake (vortec I assume) I'm not sure about headers.

    This is assuming that the heads are not the problem to start with, I am hoping the head gasket's are bad. The motor has 120k on it , but the oil was changed every 3k, and the it seems real tight.

    Any help or suggestions would be great. Thank's Ron

  2. #2
    Matt167's Avatar
    Matt167 is offline CHR Member Visit my Photo Gallery
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    Jan 2004
    Location
    Prattsville
    Car Year, Make, Model: '51 Chevy Fleetline and a Ratrod project
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    4,990

    5.3 is based on the LS1 design, but is diffrent than the LS1. probably has a blown head gasket. problem is, your going to need a computer to run it.
    You don't know what you've got til it's gone

    Matt's 1951 Chevy Fleetline- Driver

    1967 Ford Falcon- Sold

    1930's styled hand built ratrod project

    1974 Volkswagen Super Beetle Wolfsburg Edition- sold

  3. #3
    Henry Rifle's Avatar
    Henry Rifle is offline CHR Member Visit my Photo Gallery
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    Apr 2004
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    Little Elm
    Car Year, Make, Model: 34 Ford Low Boy w/ZZ430 Clone
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    3,890

    LS heads don't work on Gen I SBCs.
    Jack

    Gone to Texas

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